One day Izzy and her friends are surprised to find that their teacher, Miss Jones, is actually being nice to them. This is the woman who was caught secretly smiling when Maisie Miller fell off her chair. There can only be one conclusion: she's been taken over by aliens, and now she wants to make the...

One day Izzy and her friends are surprised to find that their teacher, Miss Jones, is actually being nice to them. This is the woman who was caught secretly smiling when Maisie Miller fell off her chair. There can only be one conclusion: she's been taken over by aliens, and now she wants to make them all aliens too!